Use two coils with exactly the same radius and number of turns, arrange them coaxially and make the distance equal to the radius, this kind of coil combination is called Helmholtz coil. It can generate a very weak magnetic field up to hundreds of Gs; the coil has a large uniform area, an open space for use, and easy operation. It can realize one-dimensional, two-dimensional, and three-dimensional combined magnetic fields, and can provide AC and DC magnetic fields. The current has a good linear relationship with the magnetic field. It is suitable for various research institutes, universities and enterprises to do material magnetism or testing experiments, applied to materials, electronics, biology, medical treatment, aerospace, chemistry, applied physics and other disciplines. Its main purpose: to generate standard magnetic fields; Cancellation and compensation, geomagnetic environment simulation, determination of magnetic shielding effect, electromagnetic interference simulation experiment, Hall probe and various The calibration of a kind of magnetometer, the study of biological magnetic field and the study of the magnetic properties of matter.
Hunan Forever Elegance Technology Co.,Ltd is in the forefront of the international counterparts in the generation of Helmholtz coil magnetic field. At present, we have successively developed and designed: circular, square, and octagonal Helmholtz coils. At the same time, with the help of finite element design tools, we have developed compensating octagonal Helmholtz coils. The uniformity area is increased by eight times.
When users choose Helmholtz coils, please provide the magnetic field strength, uniformity range and uniformity requirements according to the experimental needs. We can provide users with detailed design methods and selection of supporting power supplies in the shortest time.
● Cancellation and compensation of the earth's magnetic field
● Geomagnetic environment simulation
● Judgment of magnetic shielding effect
● Electromagnetic interference simulation experiment
● Generate standard magnetic field
● The study of the biological magnetic field-the study of the magnetic properties of matter
● Generate standard magnetic field
|Helmholtz coil usage classification|
● Use with a flux meter to measure the magnetic flux of the material;
● Cooperate with the permanent magnet quality measuring instrument developed by Hunan Forever Elegance Technology Co.,Ltd or Magnetic declination measuring instrument can further determine the material quality and screen incoming materials; div>
● Water-cooled Helmholtz coils can be made according to requirements: the magnetic field value can be on the order of thousands of Gauss, to meet customer needs;
● One-dimensional, two-dimensional, and three-dimensional square Helmholtz coils can be customized, which are generally used to generate the specified uniform area with relatively large volume and high uniformity, and the magnetic field value is from a few Gs to dozens of Gs An order of magnitude magnetic field.
One-dimensional Helmholtz coil technical parameter reference table
|Coil model||Coil constant (K)||The uniformity of the coil corresponds to the uniform area of the coil (mm)||Coil resistance(Ω)||A(mm)||B(mm)||C(mm)||D(mm)||E(mm)||F(mm)|
|Non-standard||Can be designed and manufactured according to customer requirements (water-cooled coils can be made)|
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